Hemstitch sewing-machine.



PATENTED JUNE 25,1907.v

I. G. OREILLY. HEMSTITGH SEWING MACHINE.

APPLICATION FILED DEC. 5, 1906.

2 SHEETS-SHEET 1.

PATENTED JUNE 25, 1907.

J. G. ORBILLY. HEMSTITGH SEWING MACHINE.

APPLICATION FILED DBO. 6,1906.

2 SHEETS-SHEET 2.

IIIIIIIII JOHN CHARLES OREILLY, OF BELFAST, IRELAND.

HEIVISTITCH SEWING-MACHINE.

Specification of Letters Patent.

Patented June 25, 1907.

Application filed DBGBIILbGl 5, 1905- seliall N I 290 370- To all whomit may concern.- I

Be it known that I, JOHN CHARLES OREILLY, a subject of the King ofGreatBritain, residing at 43 Eglinton street, Belfast, Ireland, have'inventedcertain new and useful Improvements in Hemstitch Sewin Machines, ofwhich the following is a speci cation.

This invention relates to hemstitch sewing machines of the class inwhich a single operator can do two distinct rows of hemstitchingsimultaneously or hemstitch two articles simultaneously on the machine.

A feature of the machine is that the hems on both articles are foldedand stitched in the same direction, viz :from right to leftinstead ofone being folded from right to left and the other left to right as inother double hemstitch machines. My improvements are designed to improvethe construction of such machines.

Under my invention I extend the head of an ordinary hemstitch machineand carry it forward so as to form a double or twin headed machine eachhead having distinct, separate, and independent needle bars, presserfeet bars, lifts, springs, etc., separate take up levers, and separatetake up cams with the necessary mechanism to give each its own directpositive action. With this twin machine a single operator can do tworows of hemstitching simultaneously and by attaching two of the ordinaryfolders two handkerchiefs or pieces of fabric can be folded andhemstitched at the one operation, both hems being turned or folded inthe same direction as on the ordinary single hemstitch machines atpresent in general use.

In order that my said invention may be properly understood I havehereunto appended explanatory drawings, whereon,

Figure l is a side elevation of the improved machine. Fig. 2 is a bottomView showing the mechanism underneath the machine table. Fig. 3 is aview of the opposite side of the machine to that shown in Fig. 1. Fig. 4is a plan.

the head d of the ordinary machine or be secured thereto. The head 0 ismade exactly the same as the head of an ordinary hemstitch machine andhas a needle bar e with needle f, a presser foot g, and all the otherusual appurtenances. It will therefore be seen that in the machine thereare two distinct and separate heads 0, (1, two separate needle bars 6, etwo distinct presser feet, 9, g each fitted with separate full lengthpresser bar, adjusting spring and lift, etc; There is a distinct andseparate take up cam and lever for each thread.

The table of the machine is extended to correspond with the extensionI), c, and is fitted at its underside with additional bearings h, i forthe hook (or shuttle) and feed shafts j, 76, which are also lengthenedto correspond. There are two stitch forming mechanisms or hooks orshuttles Z, Z the one, Z, being the ordinary one and the other, Z anadditional one. The bevel gear for rotating the hook Z is shown at m andthe similar gear for rotating the hook Z at m Besides the ordinary clothfeed-carrier 0 there is a second feed-carrier 0 and a third feed carrier0 arranged between the other two for the purpose of guiding the materialbeing sewed. The second and third carriers 0 0 are operated in the usualmanner by rook shafts. The rock shaft 12 has an arm 29 acted on by aspecial lift cam p on the shaft 7:.

Arranged in conjunction with the feed carrier 0 is a presser foot (1which is attached to a rod 1' having a milled head r by which it can bepressed up by hand against the action of the spring 1. This springpresses the foot g on the cloth and the pressure can be relieved at anytime by pushing up the head 1". r 1' are guide bearings for the rod 1'.If so desired the ordinary knee lift lever r may be adapted to operatethe presser foot 1.

u is a cloth guide fitted to the head 0 and acting in conjunction withthe presser foot g to properlyfeed the cloth.

The cross over action of the needles is effected by two separatevibrating rods 22, o the rod 12 being adjustably connected (in the usualmanner) to the extreme end of the connecting rod w and the rod 0 beingadjustably connected to the rod w. The rod w is con nected by a pin andslot arrangement at 111 to the rod w, which latter is connected in theusual way with the vibrating quadrant 0c operated by the usual cam (notshown).

The needle bar and take up cam of the head 0 are operated by means of acog wheel y on the top driving shaft 2 of the machine a. The wheel ygears with a wheel 1 on the counter shaft on which is a wheel y gearingwith a wheel on the shaft 2 which, by means of the usual form of camsecured to its end operates the needle bar and take up mechanism of thehead 0. Owing to the fact that the hems on both articles are folded andstitched in the same direction, that is, from right to left, the same ason the ordinary Wheeler Wilson machines, the operator does not requireto be specially taught how to perform the feed and folding operations.

It will be seen that this arrangement forms an. extremely strong durableand reliable machine which can be worked at a high speed.

Having now fully described my invention what I claim and desire tosecure by Letters Patent is:

1. A hemstitch sewing machine having two heads, one head being arrangedin advance of the other, a cloth feed carrier for each head, a feedcarrier disposed between said heads, and needle bars mounted in saidheads cooperating with the feedin devices.

2. The combination with a hemstitch sewing mechanism and its head of anextension frame fitted thereto said frame having a head, a needle barworking in the head, means for operating the needle bar and needle and acloth feed carrier for each head, and a feed carrier disposed betweensaid heads.

3. A hemstitch sewing machine having two heads the one arranged inadvance of the other, a needle bar in each head, a vibrating needle oneach bar, means for operating the needle bars means for operating thevibrating needles a feed carrier intermediate said heads, and means foroperating said carrier.

a. A hemstitch sewing machine having two heads the one arranged inadvance of the other, a feed carrier intermediate said heads, and meansfor operating said carrier a needle bar in each head, a vibrating needleon each bar, a punch on each bar, needle blocks, arms connected to theneedle blocks, a connecting rod for operating the arms, a quadrant foroperating the connecting rod, means for operating the quadrant and meansfor operating the needle bars.

5. A hemstitch sewing machine having two heads the one arranged inadvance of the other, a needle bar in each head, a vibrating needle oneach bar, means for operating the needle bars, means for operating theneedles,

shuttle mechanism for each needle, feed mechanism for each needle a feedcarrier intermediate said heads, and means for operating said carrier.

6. A hemstitch sewing machine having two heads the one arranged inadvance of the other and being fitted on an extension frame, a feedcarrier intermediate said heads, means for operating said feed carrier aneedle bar in each head, mechanisms for operating the needles in eachhead, lever mechanism for taking up the thread in each head, a vibratingneedle on each needle bar, mechanism for operat ing the needle bars andmechanism for oper ating the vibrating needles.

7. A hemstitch sewing machine having two heads the one arranged inadvance of the other, a feed carrier intermediate said heads, means foroperating said feed carrier a needle bar in each head, means foroperating the needle bar in the one head, means for operating the needlebar in the other head and means connecting the said two means togetherso that the needle bars may be operated simultaneously, a vibratingneedle on each needle bar and means for operating the vibrating needlessimultaneously.

8. A twin hemstitch sewing machine embodying two heads, one arranged inadvance of the other whereby a single operator can hemstitch twoarticles simultaneously, a needle bar in each head, means for operatingsaid needle bars simultaneously, a cloth carrier intermediate .saidheads, and a presser foot arranged to act in conjunction with saidintermediate carrier.

9. A twin hemstitch sewing machine embodying two heads, one arranged inadvance of the other whereby a single operator can hemstitch twoarticles simultaneously, a needle bar in each head, means for operatingsaid needle bars simultaneously, a cloth car rier intermediate saidheads, a presser foot arranged to act in conjunction with saidintermediate carrier, and a cloth guide arranged to act in conjunctionwith said presser feet.

In testimony whereof I affix my signature in presence of two witnessesJOHN CHARLES OREILLY.

Witnesses:

JosEPH MoGInNNEss, EDWARD HARVEY.

